package api

import scala.collection.mutable

object Set_Map {
  def main(args: Array[String]): Unit = {

    //默认都是正序
    val value = mutable.TreeSet(1, 4, 3, 2)
    println(value)

    val value1 = mutable.TreeMap(4 -> "d", 3 -> "c", 1 -> "a", 2 -> "b")
    println(value1)


  }

}
